snazy commented on code in PR #1661:
URL: https://github.com/apache/polaris/pull/1661#discussion_r2105772973
##########
service/common/src/main/java/org/apache/polaris/service/auth/LocalRSAKeyProvider.java:
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@@ -48,12 +76,7 @@ public LocalRSAKeyProvider(Path publicKeyFileLocation, Path
privateKeyFileLocati
*/
@Override
public PublicKey getPublicKey() {
- try {
- return PemUtils.readPublicKeyFromFile(publicKeyFileLocation, "RSA");
- } catch (IOException e) {
- LOGGER.error("Unable to read public key from file {}",
publicKeyFileLocation, e);
- throw new RuntimeException("Unable to read public key from file " +
publicKeyFileLocation, e);
- }
+ return publicKey;
Review Comment:
You'd have to keep the previous (public) key around and referenced by their
id, as the [auth0 RSAKeyProvider
interface](https://javadoc.io/doc/com.auth0/java-jwt/3.2.0/com/auth0/jwt/interfaces/RSAKeyProvider.html)
defines, which [Polaris'
KeyProvider](https://github.com/apache/polaris/blob/1631da00b5f1116f779a044b00bbff8132cb4f49/service/common/src/main/java/org/apache/polaris/service/auth/KeyProvider.java)
does not. If you change the keys in a running Polaris system, all current
tokens become immediately invalid.
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